DEP0014856DA - Process for the preparation of 2-phenylacetoin - Google Patents
Process for the preparation of 2-phenylacetoinInfo
- Publication number
- DEP0014856DA DEP0014856DA DEP0014856DA DE P0014856D A DEP0014856D A DE P0014856DA DE P0014856D A DEP0014856D A DE P0014856DA
- Authority
- DE
- Germany
- Prior art keywords
- aluminum chloride
- temperature
- benzene
- diacetyl
- yield
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims 2
- QSJXEFYPDANLFS-UHFFFAOYSA-N Diacetyl Chemical group CC(=O)C(C)=O QSJXEFYPDANLFS-UHFFFAOYSA-N 0.000 claims description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims 9
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims 8
- 239000007795 chemical reaction product Substances 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
Description
Aiiiaeito} ta* Ifosxiaaaa & Heiser Cfaeial&Qbe Fabrik » JätiLgm&oäea Aiiiaeito} ta * Ifosxiaaaa & Heiser Cfaeial & Qbe Factory »JätiLgm & oäea
Vertreter ;Pateatauw.:it© Br, Friedrich Vollmer, Jk·,Paul Lewinot Saabmrg 1 , Gl ocke ngiess erwall 1 Representative; Pateatauw.: It © Br, Friedrich Vollmer, Jk ·, Paul Lewino t Saabmrg 1, Gl ocke ngiess erwall 1
chtcht
JBie HeretoLlung ims S-X'aeuyl-acetolat C0H^-G (QH>-CO-Cäj» ^"7 aus Pheayliaßgaesitaaferoiaid «ad üiacetyl in einer Ausbeute von 31 % d.l'a. */das als Swieciionprodnkt »ur tterstel-Img von idittuisdtteXB Ve^endaag ^Aatea 2nanJ^lftti kaaat* Die VorMadung wird als grüagelbejd Oel besearlebea. Foraer ist ©la Ttrfeferaa 'Dskarsiitss aaöa weleftaa a~Pueayl-aeetoiu als farblose flüssigkeit aus Macotyl S©ass£Ä ml iUuiaiaiumehlorid mfer Steigeruag der !'eaperatur Mb auf 60° ia einer" Ausbeute vou <*Ä eaeaaltea wird. JBie HeretoLlung ims S -X 'aeuyl-acetolate C 0 H ^ -G (QH> -CO-Cäj »^" 7 from Pheayliaßgaesitaaferoiaid «ad üiacetyl in a yield of 31% d.l.a. * / That as Swieciionprodnkt» ur tterstel-Img by idittuisdtteXB Ve ^ endaag ^ Aatea 2nanJ ^ lftti kaaat * The VorMadung is used as green yellow oil besearlebea. Foraer is © la Ttrfeferaa 'Dskarsiit ss aaöa © weleiuftaa a ~ asseayl-ae iUuiaiaiumehlorid mfer Steigeruag der! 'eaperatur Mb to 60 ° ia a "yield vou <* Ä eaeaaltea will.
wie sim jgef «aitea «g?döf geli&£t es, die TarfeiadttQg ^irtscaaf tlicaer TOd alt wesentlich ^mmmr Ausbeute, näialicb. voa über 70 J6 d»£a» su gesdaaeat weaa ßiaeetyl uad AlSiiiiaiisashlorld aicat auf eiaaal la dna äeaktioaskoi&ea gebracät srerdea, eoadera aaeb. wA nach ia kleinen. Möag#» «ad unter Imenaltuag einer Reaktioastoapera fear von etwa 30° » aa vwteila^tesstea von 52°* Gegenüber den laefe&uantea Ter— fahren, kann Merfeei die Seage de© asgösaadtea Älwiai»Sial#* rids verringert tardea, how sim jgef «aitea « g? dö f succeeds, the TarfeiadttQg ^ irtscaaf tlicaer TOd old substantially ^ mmmr yield, Naialicb. voa over 70 J6 d »£ a» su gesdaaea t weaa ßiaeetyl uad AlSiiiiaiisashlorld aicat on eiaaal la dna äeaktioaskoi & ea gebracät srerdea, eoadera aaeb. wA after ia small ones. Möag # »« ad under Imenaltuag a Reaktioastoapera fear of about 30 ° »aa vwteila ^ tesstea of 52 ° * Compared to the laefe & uantea Ter— Merfeei can drive the Seage de © asgösaadtea Älwiai » Sial # * rids reduced tardea,
$00 ecm IsaaoX werden i& einen mit fropftrielater «ad Küdsfi^osaktiiaer ver^eaeaen Euadkolbea gegeben»Bann löst saa 60 g Diacetyl ia ßenaol uad lässt 1/5 der SiaoetyL* $ 00 ecm IsaaoX are given i & a with graft trielater "ad Küdsfi ^ osaktiiaer ver ^ eaeaen Euadkolbea" Bann dissolves saa 60 g diacetyl ia ßenaol uad leaves 1/5 of the SiaoetyL *
Claims (1)
Family
ID=
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